/*
 *  Copyright 2008-2010 the original author or authors.
 * 
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *  under the License.
 */
package org.openaecfm.spf.io.presentationappearance;

import org.openaecfm.model.geometry.RepresentationItem;
import org.openaecfm.model.presentationappearance.StyledItem;
import org.openaecfm.service.presentationappearance.IStyledItemManager;
import org.openaecfm.spf.io.AbstractEntityInstanceInputImpl;
import org.openaecfm.spf.io.IAppDataManager;
import org.openaecfm.spf.io.IEntityInstanceOutput;
import org.openaecfm.spf.io.IEntityInstanceUtilInput;
import org.openaecfm.spf.io.IEntityInstanceUtilOutput;
import org.openaecfm.spf.model.DollarParameter;
import org.openaecfm.spf.model.EntityInstance;
import org.openaecfm.spf.model.EntityInstanceNameParameter;
import org.openaecfm.spf.model.ListParameter;
import org.openaecfm.spf.model.NodeType;
import org.openaecfm.spf.model.Parameter;
import org.openaecfm.spf.model.SimpleEntityInstance;
import org.openaecfm.spf.model.StringParameter;

public final class StyledItemIO extends
		AbstractEntityInstanceInputImpl<StyledItem> implements
		IEntityInstanceOutput<StyledItem>,
		IEntityInstanceUtilInput<StyledItem>,
		IEntityInstanceUtilOutput<StyledItem> {
	private IStyledItemManager manager;

	public void setManager(IStyledItemManager manager) {
		this.manager = manager;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public String exportSPF(StyledItem pojo, IAppDataManager appDataManager) {
		SimpleEntityInstance ei = new SimpleEntityInstance("IFCSTYLEDITEM",
				appDataManager.getName(pojo));

		exportSPF(pojo, ei, appDataManager);

		return ei.toString();
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	protected StyledItem doCreateObject() {
		return new StyledItem();
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void resolveReferenceParameter(EntityInstance ei, StyledItem pojo,
			IAppDataManager appDataManager) {
		SimpleEntityInstance sei = (SimpleEntityInstance) ei;

		// Set Item
		Parameter item = sei.getParameter(0);
		if (item.getNodeType() == NodeType.ENTITY_INSTANCE_NAME) {
			EntityInstanceNameParameter n = (EntityInstanceNameParameter) item;
			manager.setItem(pojo, (RepresentationItem) appDataManager
					.getObject(n.toInstanceName()));
		}

		// Set Styles
		ListParameter styles = (ListParameter) sei.getParameter(1);
		for (Parameter p : styles) {
			EntityInstanceNameParameter n = (EntityInstanceNameParameter) p;
			pojo.getStyles().add(appDataManager.getObject(n.toInstanceName()));
		}
	}

	@Override
	public void resolveNotReferenceParameter(EntityInstance ei, StyledItem pojo) {
		SimpleEntityInstance sei = (SimpleEntityInstance) ei;

		// Set Name
		Parameter name = sei.getParameter(2);
		if (name.getNodeType() == NodeType.STRING) {
			StringParameter s = (StringParameter) name;
			pojo.setName(s.toUTF8());
		}
	}

	@Override
	public void exportSPF(StyledItem pojo, EntityInstance ei,
			IAppDataManager appDataManager) {
		SimpleEntityInstance sei = (SimpleEntityInstance) ei;

		// Set Item
		if (pojo.getItem() == null) {
			sei.addParameter(DollarParameter.getInstance());
		} else {
			sei.addParameter(new EntityInstanceNameParameter(appDataManager
					.getName(pojo.getItem())));
		}

		// Set Styles
		ListParameter styles = new ListParameter();
		for (Object o : pojo.getStyles()) {
			styles.add(new EntityInstanceNameParameter(appDataManager
					.getName(o)));
		}
		sei.addParameter(styles);

		// Set Name
		if (pojo.getName() == null) {
			sei.addParameter(DollarParameter.getInstance());
		} else {
			sei.addParameter(new StringParameter(pojo.getName(),
					StringParameter.UTF_8));
		}
	}
}
